Publicación: BIODEGRADED HAY WITH GRADED ADDITION OF PLEUROTUS OSTREATUS IMPROVES DRY MATTER DISAPPEARANCE AND REDUCES METHANE PRODUCTION OF DIETS INCUBATED IN VITRO
Fecha
2023
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Italian Journal of Animal Science
Resumen
BIOCONVERSION OF PLANT MATERIAL WITH WHITE-ROT FUNGI HAS DEMONSTRATED IMPROVEMENTS IN IN VITRO DIGESTIBILITY, HOWEVER, EFFECTS ON RUMEN FERMENTATION PARAMETERS AND METHANE (CH4) PRODUCTION, WHEN INCLUDED AS A DIETARY INGREDIENT, ARE NOT CLEAR. THE AIM OF THIS STUDY WAS TO ASSESS CHANGES IN RUMEN FERMENTATION PARAMETERS AND IN VITRO CH4 PRODUCTION BY DIETARY INCLUSION OF RYEGRASS-FESCUE HAY BIODEGRADED WITH P. OSTREATUS (H-PO) DURING 14?DAYS OF SOLID FERMENTATION. THE EXPERIMENT USED 2 DIETS WITH CONTRASTING ACID DETERGENT FIBRE (AADFOM) CONTENT WHICH WERE ADDED WITH 0, 3 AND 6% H-PO. SUBSTRATES WERE INCUBATED 3 TIMES WITH SAMPLING AT 24?H. RESULTS WERE ANALYSED BY ANOVA, AND COMPARED WITH TUKEY?S TEST AND POLYNOMIAL CONTRASTS. INCLUSION OF H-PO AT CONCENTRATIONS OF 3 AND 6% RESULTED IN INCREASED IN VITRO DRY MATTER (DM) DISAPPEARANCE (IVDMD) BY 10 AND 12% RESPECTIVELY, WHEREAS HIGH CONCENTRATIONS OF AADFOM REDUCED IVDMD BY 10% AS COMPARED TO LOW AADFOM. METHANE PRODUCTION (MG/G DM INCUBATED) AND YIELD (MG/G DM DEGRADED) WERE REDUCED BY INCREASING AADFOM AND P. OSTREATUS BIODEGRADED HAY CONCENTRATIONS IN THE DIETS (P?
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solid fermentation, ruminant nutrition, green house, gases mitigation, Basidiomycetes
